/*-
 * <<
 * sag
 * ==
 * Copyright (C) 2019 sia
 * ==
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * >>
 */


package com.creditease.gateway.listener;

import java.util.Map;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.context.event.ApplicationPreparedEvent;
import org.springframework.context.ApplicationListener;
import org.springframework.core.env.ConfigurableEnvironment;
import org.springframework.core.env.MutablePropertySources;
import org.springframework.stereotype.Component;

/**
 * ApplicationPreparedEventListener
 * 
 * @author peihua
 * 
 */

@Component
public class ApplicationPreparedEventListener implements ApplicationListener<ApplicationPreparedEvent> {

    protected static final Logger log = LoggerFactory.getLogger(ApplicationListener.class);

    @Override
    public void onApplicationEvent(ApplicationPreparedEvent event) {

        log.info("> ApplicationPreparedEvent >");

        ConfigurableEnvironment environment = event.getApplicationContext().getEnvironment();
        MutablePropertySources sources = environment.getPropertySources();

        Map<String, Object> env = environment.getSystemProperties();

        for (String key : env.keySet()) {
            log.info("onApplicationEvent key/value: {}, {}", key, env.get(key));
        }

    }

}
